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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Emission Control System (2GR-FKS) - Service Information >> PCV Valve >> Inspection [12/2019 - 10/2022] >> Procedure

Inspection [12/2019 - 10/2022]: Procedure

  1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) 
    1. Install a hose to the PCV valve (ventilation valve sub-assembly).
    2. Check PCV valve (ventilation valve sub-assembly) operation.
      1. Blow air into the cylinder head cover sub-assembly LH side, and check that air passes through easily.
        GTY502416Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Hose
        *b Air
        Cylinder Head Cover Sub-assembly LH Side
        WARNING:

        Do not suck air through the valve.

        Petroleum substances inside the valve are hazardous to your health.

        If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly).

      2. Blow air into the intake air surge tank assembly side, and check that air passes through with difficulty.
        GTY517336Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Hose
        *b Air
        Intake Air Surge Tank Assembly Side
        WARNING:

        Do not suck air through the valve.

        Petroleum substances inside the valve are hazardous to your health.

        If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly).

    3. Remove the hose from the PCV valve (ventilation valve sub-assembly).
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